Dr. Tapas Chatterjee

Profile Image: 
Name: 
Dr. Tapas Chatterjee
Designation: 
Associate Professor
Email: 
tapasc[AT]iitrpr.ac.in
Homepage
Department: 

Mathematics
Phone No. 24-2262
Room No. 336

Biography: 

Dr. Tapas Chatterjee is an Associate Professor in the Department of Mathematics at IIT Ropar. Dr. Tapas Chatterjee obtained his Doctoral degree from the Institute of Mathematical Sciences, Chennai, India. After obtaining his Doctoral degree Dr. Chatterjee joined as a Post-Doctoral Fellow in the Department of Mathematics & Statistics at Queen's University, Kingston, Canada. Dr. Chatterjee was also a visiting researcher at the Institute for Computational and Experimental Research in Mathematics (ICERM, Brown University). Dr. Chatterjee was a Visiting professor at the  Universite Pierre et Marie Curie, University of Paris VI, France during May-June, 2017, a Visiting professor at the Nagoya University, Nagoya, Japan during June-July, 2018 and also a visiting professor at the Sorbonne University, Paris, France during June-July 2019. Dr. Chatterjee's research is focused on various topics in Number Theory.  For Summer Internship visit http://www.iitrpr.ac.in/summer-internship.

 

 Ph.D. Students

1) Suraj Singh Khurana (Thesis defended on October 4, 2019)

2) Dheeraj Kumar Sharma (Thesis defended on November 11, 2019 from NIT Kurukshetra)

3) Sonika Dhillon (Thesis defended on May 7, 2021)

4) Ayantika Laha (Ongoing)

5) Sonam Garg (Ongoing)

6) Palak Narula (Ongoing)

7) Karishan Kumar  (Ongoing)

 

Areas of Research: 
Number Theory
Special values of L-functions
Transcendence Theory
Analytic theory of numbers
Algebraic Number Theory
Normal Complement Problems
Cryptography
Education: 
PhD, Institute of Mathematical Sciences, Chennai, India, 2008-2013.
M.Sc Mathematics, Jadavpur University, India, 2006-2008.
B.Sc Mathematics, Jadavpur University, India, 2003-2006.
Work Experience: 
April, 2022-- Present: Associate Professor, Indian Institute of Technology Ropar, Punjab, India.
June, 2014 -- April, 2022: Assistant Professor, Indian Institute of Technology Ropar, Punjab, India.
2019: Visiting Professor, Universite Paris-Sorbonne, Paris, France
2018: Visiting Professor, Nagoya University, Nagoya, Japan.
2017: Visiting faculty, Universite Pierre et Marie Curie, University of Paris VI, France.
2013 --2014: Post-Doctoral Fellow, Queen's University, Kingston, Canada.
2013 : Visiting Researcher, ICERM, Brown University, Providence, USA.
Selected Publications/Patents: 

 2023

20.  Tapas Chatterjee,  and Sonam Garg,    On q-Analogue of Euler-Stieltjes constants,  Proceedings of

American Mathematical Society, vol 151, no. 5 (2023), 2011-2022.

 

 

 2022

19. Tapas Chatterjee, Ayantika Laha and S. K. Sanadhya, "On the Structure of Format Preserving Sets in the Diffusion Layer of Block Ciphers," IEEE Transactions on Information Theory,  vol. 68,

no. 12, pp. 8268-8279, Dec.  2022, doi: 10.1109/TIT.2022.3187407.

 

 

18. Tapas Chatterjee and Sonika Dhillon, A note on a variant of a conjecture of Rohrlich, Mathematika, 68 (2022), no. 2, 400–415.

 

17. Tapas Chatterjee and Sonika Dhillon, On a conjecture of Murty-Saradha about digamma values, Monatshefte fur Mathematik, 199, No. 1 (2022) 23–43.

2021

16. Tapas Chatterjee and S. S. Khurana, A series representation of Euler-Stieltjes constants and an identity of Ramanujan, Rocky Mountain Journal of Mathematics, Volume 52 (2022), No. 1, 49–64.

2020

 

15. Tapas Chatterjee and Sonika Dhillon, Linear Independence of Harmonic Numbers over the field of Algebraic Numbers II, Ramanujan Journal Springer, 52 (2020) 555-580, DOI: 10.1007/S11139-019-00183-8.

14. Tapas Chatterjee and Sonika Dhillon, Linear independence of logarithms of cyclotomic numbers and a conjecture of Livingston, Canadian Math. Bull, 63 (2020) no. 1, 31-45, DOI:10.4153/S0008439

519000468.

13.  Tapas Chatterjee and Sonika Dhillon, Linear Independence of Harmonic Numbers over the field of Algebraic Numbers, Ramanujan Journal Springer, 51 (2020) 43-66, DOI:10.1007/s11139-018-0124-6.

2019

12. Tapas Chatterjee and S. S. Khurana, Shifted Euler constants and a generalization of Euler-Stieltjes constants, Journal of  Number Theory, 204 (2019), 185-210, DOI: 10.1016/j.jnt.2019.04.001.

11. Tapas Chatterjee and S. S. Khurana, Erdosian functions and an identity of Gauss, Proceedings of the Japan Academy, Ser. A., 95 (2019), no. 6, 59--63.

10. Tapas Chatterjee and S. S. Khurana, A note on generalizations of Stieltjes constants,  Journal of the Ramanujan Mathematical Society, 34, No, 4, (2019), 457--468.

2018

 

9.  Tapas Chatterjee, M. Ram Murty, and Siddhi Pathak,  A VANISHING CRITERION FOR DIRICHLET SERIES WITH PERIODIC COEFFICIENTS, Contemporary Mathematics, AMS Proceedings,  701, 2018, 69–80.

 

2017

 8.  Kuldeep Kaur, Manju Khan, and Tapas Chatterjee,  A note on normal complement problem, Journal of Algebra and its Applications, 16, 1750011 (2017)[pdf]

2015

7. Tapas Chatterjee, Sanoli Gun, and Purusottam Rath,  A Number field extension of a question of Milnor, Contemporary Mathematics, AMS Proceedings, 655 (2015), 15--26.

 6. Tapas Chatterjee and M. Ram Murty,  On a conjecture of Erd\"{o}s and certain Dirichlet series, Pacific Journal of Mathematics 275-1 (2015), 103--113.[pdf]

2014

 5. Tapas Chatterjee and Sanoli Gun,  On the zeros of Generalized Hurwitz zeta functions, Journal of Number Theory, 145, (2014), 352--361. [pdf]

 4. Tapas Chatterjee and M. Ram Murty,  Non-vanishing of Dirichlet series with periodic coefficients, Journal of Number Theory, 145, (2014), 1--21.[pdf]

 3. Tapas Chatterjee and Sanoli Gun, The Digamma function, Euler-Lehmer constants and their $p$-adic counterparts, Acta Arithmetica. 162(2014), 2, 197-208.[pdf]

 

.

2012

2. Tapas Chatterjee, The Strong Chowla-Milnor spaces and a conjecture of Gun, Murty and Rath,  Int. J. Number Theory,  (8) (5), (2012), 1301-1314.[pdf]

 1. Tapas Chatterjee, On The Dimension Of Chowla-Milnor Space,  Proc. Indian Acad. Sci. Math. Sci., (122) (3), (2012), 313-317.[pdf]